Wei Yan commented on YARN-2686:

According to the document of Redhat 7, it is not recommended to use libcgroup 
to do the cpu isolation. So YARN-2194 is working on systemd-based solution. 
Will update a patch for that jira soon.

> CgroupsLCEResourcesHandler does not support the default Redhat 7/CentOS 7
> -------------------------------------------------------------------------
>                 Key: YARN-2686
>                 URL: https://issues.apache.org/jira/browse/YARN-2686
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Beckham007
> CgroupsLCEResourcesHandler uses "," to seprating resourcesOption.
> Redhat 7 use "/sys/fs/cgroup/cpu,cpuacct" as the cpu mount dir. So 
> container-executor would use the wrong path "/sys/fs/cgroup/cpu" as the 
> container task file. It should be 
> "/sys/fs/cgroup/cpu,cpuacct/hadoop-yarn/contain_id/tasks".
> We should someother character instand of ",".

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